Home / 1,405,804.48-1,940,043.36-802,248.64

Finding the Fourth Proportional to 1,405,804.48, 1,940,043.36 and 802,248.64

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Solution

The fourth proportional to 1,405,804.48, 1,940,043.36 and 802,248.64 is: 1,107,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,804.48 : 1,940,043.36 = 802,248.64 : x
  2. Step 2: Convert to fraction form
    1,405,804.48/1,940,043.36 = 802,248.64/x
  3. Step 3: Cross multiply
    1,405,804.48x = 1,940,043.36 × 802,248.64
  4. Step 4: Simplify right side
    1,405,804.48x = 1,556,397,147,101.03
  5. Step 5: Solve for x
    x = 1,556,397,147,101.03/1,405,804.48
  6. Step 6: Final answer
    x = 1,107,122.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.